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Julia types for representing images
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ImageCore breaks Gadfly #150

Open NicholasWMRitchie opened 4 years ago

NicholasWMRitchie commented 4 years ago

It seems that recent changes to ImageCore.jl has broken Gadfly.ManualDiscreteKey (manual_discrete_key(....) and manual_color_key(...)). The key line is convert(::Type{Array{ColorTypes.Color,N} where N}, ::Array{ColorTypes.Color,1})@deprecations.jl:62 which is in ImageCore.jl and seems to be one of these dreaded invalidations.

Failed to show value:

MethodError: no method matching ColorTypes.Color(::ColorTypes.RGB{FixedPointNumbers.Normed{UInt8,8}})

_broadcast_getindex_evalf@broadcast.jl:648[inlined]
_broadcast_getindex@broadcast.jl:621[inlined]
getindex@broadcast.jl:575[inlined]
copy@broadcast.jl:876[inlined]
materialize@broadcast.jl:837[inlined]
convert(::Type{Array{ColorTypes.Color,N} where N}, ::Array{ColorTypes.Color,1})@deprecations.jl:62
cat_aes_var!(::IndirectArrays.IndirectArray{ColorTypes.Color,1,Array{Int64,1},Array{ColorTypes.Color,1}}, ::IndirectArrays.IndirectArray{ColorTypes.Color,1,Array{Int64,1},Array{ColorTypes.Color,1}})@aesthetics.jl:300
concat(::Gadfly.Aesthetics, ::Vararg{Gadfly.Aesthetics,N} where N)@aesthetics.jl:250
render_prepare(::Gadfly.Plot)@Gadfly.jl:685
render(::Gadfly.Plot)@Gadfly.jl:740
draw@Gadfly.jl:847[inlined]
show(::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::MIME{Symbol("text/html")}, ::Gadfly.Plot)@Gadfly.jl:937
#show_richest#18(::Bool, ::typeof(Main.PlutoRunner.show_richest), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Any)@PlutoRunner.jl:382
show_richest(::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Any)@PlutoRunner.jl:330
#sprint_withreturned#17(::IOContext{Base.PipeEndpoint}, ::Int64, ::typeof(Main.PlutoRunner.sprint_withreturned), ::Function, ::Gadfly.Plot)@PlutoRunner.jl:302
format_output(::Any)@PlutoRunner.jl:242
formatted_result_of(::Base.UUID, ::Bool)@PlutoRunner.jl:53
top-level scope@none:1 in ImageCore.jl and seems to be one of these dreaded invalidations.

I don't know if Gadfly or ImageCore needs to fix this so I submitted to both. (https://github.com/GiovineItalia/Gadfly.jl/issues/1466)

timholy commented 4 years ago

Might be a good chance to delete those depwarns and release a new minor version. Can you test whether that fixes Gadfly?